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Dextromethorphan Hydrobromide + Guaifenesin: Brands, Price & Uses in Bangladesh
Dextromethorphan Hydrobromide + Guaifenesin is a fixed-dose combination of an antitussive (cough suppressant) and an expectorant and more.
About Dextromethorphan Hydrobromide + Guaifenesin
Indications of Dextromethorphan Hydrobromide + Guaifenesin
Dextromethorphan Hydrobromide + Guaifenesin is a fixed-dose combination of an antitussive (cough suppressant) and an expectorant, marketed as an over-the-counter (OTC) product under the FDA Cough-Cold Monograph.
Established / OTC-Monograph Uses
- Temporary relief of cough due to minor throat and bronchial irritation associated with the common cold or inhaled irritants.
- Helps loosen phlegm (mucus) and thin bronchial secretions, making coughs more productive, in the setting of the common cold or minor upper respiratory tract infections.
Not Indicated For
Dextromethorphan Hydrobromide + Guaifenesin does not treat the underlying cause of cough or chest congestion and is not a substitute for medical evaluation. It is not intended for chronic cough associated with smoking, emphysema, or chronic bronchitis, for cough with excessive secretions, or for cough lasting longer than 7 days, unless directed by a physician.
Dosage & Administration of Dextromethorphan Hydrobromide + Guaifenesin
Dosing of Dextromethorphan Hydrobromide + Guaifenesin depends on the specific product strength and dosage form (immediate-release vs. extended-release); always follow the dose printed on the product label or as directed by a physician or pharmacist.
| Population | Typical Dose (immediate-release) | Frequency |
|---|---|---|
| Adults and children 12 years and older | Dose as labeled (commonly Dextromethorphan HBr 10-20 mg with Guaifenesin 100-400 mg) | Every 4 hours; not to exceed 6 doses in 24 hours |
| Children 6-11 years | Half the adult dose, as labeled | Every 4 hours; not to exceed 6 doses in 24 hours |
| Children 4-5 years | Only products specifically labeled for this age; consult a physician or pharmacist | As labeled |
| Children under 4 years | Do not use unless specifically directed by a physician | - |
Extended-release formulations of Dextromethorphan Hydrobromide + Guaifenesin (e.g., 12-hour tablets) are dosed differently (typically every 12 hours) and must not be crushed, chewed, or split. Do not exceed the maximum daily dose stated on the specific product label.
Side Effects of Dextromethorphan Hydrobromide + Guaifenesin
Most people tolerate Dextromethorphan Hydrobromide + Guaifenesin well when used as labeled. Reported side effects include:
- Common: Mild drowsiness or dizziness, nausea, vomiting, stomach upset, headache.
- Less common: Skin rash or allergic reaction.
- Rare / with misuse or high doses: Confusion, hallucinations, dissociative effects, restlessness, and symptoms of serotonin syndrome (agitation, rapid heartbeat, high fever, muscle rigidity) - see Precautions and Overdose.
Seek medical attention if a rash, difficulty breathing, swelling, or severe dizziness occurs after taking Dextromethorphan Hydrobromide + Guaifenesin.
Contraindications of Dextromethorphan Hydrobromide + Guaifenesin
- Known hypersensitivity to dextromethorphan, guaifenesin, or any other component of the specific Dextromethorphan Hydrobromide + Guaifenesin product.
- Concurrent use with a monoamine oxidase inhibitor (MAOI), or use within 14 days of stopping an MAOI, due to the risk of serious serotonin syndrome.
Frequently Asked Questions about Dextromethorphan Hydrobromide + Guaifenesin
What is Dextromethorphan Hydrobromide + Guaifenesin used for?
Dextromethorphan Hydrobromide + Guaifenesin is an over-the-counter combination medicine used for the temporary relief of cough due to minor throat and bronchial irritation from the common cold, and to help loosen mucus and thin chest congestion.
Can I take Dextromethorphan Hydrobromide + Guaifenesin with antidepressants?
You should not take Dextromethorphan Hydrobromide + Guaifenesin with a monoamine oxidase inhibitor (MAOI) or within 14 days of stopping one, due to the risk of serious serotonin syndrome. Combining Dextromethorphan Hydrobromide + Guaifenesin with other serotonergic antidepressants such as SSRIs or SNRIs also increases this risk, so consult a physician or pharmacist first.
Is Dextromethorphan Hydrobromide + Guaifenesin safe during pregnancy?
Data are limited. Dextromethorphan Hydrobromide + Guaifenesin should be used during pregnancy only if clearly needed and if the potential benefit justifies the potential risk to the fetus; consult a physician before use.
Can children take Dextromethorphan Hydrobromide + Guaifenesin?
Only age-appropriate, specifically labeled formulations should be used, generally not recommended for children under 4 years of age unless a physician directs otherwise. Dosing for children 6-11 years is typically half the adult dose.
Can taking too much Dextromethorphan Hydrobromide + Guaifenesin be dangerous?
Yes. Taking more than the labeled dose of Dextromethorphan Hydrobromide + Guaifenesin can cause excessive drowsiness, hallucinations, rapid heartbeat, and in severe cases serotonin syndrome or respiratory depression. If overdose is suspected, seek immediate medical attention or contact poison control.
How long can I take Dextromethorphan Hydrobromide + Guaifenesin?
Dextromethorphan Hydrobromide + Guaifenesin is meant for short-term use, generally no more than 7 days. If symptoms persist or worsen, or are accompanied by fever or rash, stop use and see a doctor.
Disclaimer
The information provided is accurate to the best of our knowledge, but it does not replace professional medical advice. We cannot guarantee its completeness or accuracy, and the absence of specific information about a drug should not be taken as an endorsement. We are not responsible for any consequences arising from this information, so please consult a healthcare professional for any concerns or questions.